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1 6. As an alternative for general development and recreational development <br />2 waterbodies, water -oriented accessory structures used solely for watercraft <br />3 storage, and including storage of related boating and water -oriented sporting <br />4 equipment, may occupy an area up to 400 square feet provided the maximum <br />5 width of the structure is 20 feet as measured parallel to the configuration of the <br />6 shoreline. <br />7 Stairways, lifts, and landings. Stairways and lifts are the preferred alternative to major <br />8 topographic alterations for achieving access up and down bluffs and steep slopes to <br />9 shore areas. Stairways and lifts must meet the following design requirements: <br />10 1. Stairways and lifts must not exceed four feet in width on residential lots. Wider <br />11 stairways may be used for commercial properties, public open -space recreational <br />12 properties, and planned unit developments; <br />13 2. Landings for stairways and lifts on residential lots must not exceed 32 square feet <br />14 in area. Landings larger than 32 square feet may be used for commercial <br />15 properties, public open -space recreational properties, and planned unit <br />16 developments; <br />17 3. Canopies or roofs are not allowed on stairways, lifts, or landings; <br />18 4. Stairways, lifts, and landings may be either constructed above the ground on <br />19 posts or pilings, or placed into the ground, provided they are designed and built <br />20 in a manner that ensures control of soil erosion; <br />21 5. Stairways, lifts, and landings must be located in the most visually inconspicuous <br />22 portions of lots, as viewed from the surface of the public water assuming summer, <br />23 leaf -on conditions, whenever practical; and <br />24 6. Facilities such as ramps, lifts, or mobility paths for physically handicapped persons <br />25 are also allowed for achieving access to shore areas, provided that the <br />26 dimensional and performance standards of the items in subsections (f)(2)c.1 to 5 <br />27 of this section are complied with in addition to the requirements of Minn. Rules <br />28 ch. 1340. <br />29 d. Significant historic sites. No structure may be placed on a significant historic site in a <br />30 manner that affects the values of the site unless adequate information about the site <br />31 has been removed and documented in a public repository. <br />32 e. Steep slopes. The city engineer must evaluate possible soil erosion impacts and <br />33 development visibility from public waters before issuing a permit for construction of <br />34 sewage treatment systems, roads, driveways, structures, or other improvements on <br />35 steep slopes. When determined necessary, conditions must be attached to issued <br />36 permits to prevent erosion and to preserve existing vegetation screening of structures, <br />37 vehicles, and other facilities as viewed from the surface of public waters, assuming <br />38 summer, leaf -on vegetation. <br />39 (3) Height of structures. All structures in residential districts, except churches and nonresidential <br />40 agricultural structures, must not exceed 35 feet in height. <br />41 (D) Shoreland alterations. Alterations of vegetation and topography will be regulated to prevent erosion <br />42 into public waters, fix nutrients, preserve shoreland aesthetics, preserve historic values, prevent <br />43 bank slumping, and protect fish and wildlife habitat. <br />44 (1) Vegetation alterations. <br />45 a. Vegetation alteration necessary for the construction of structures and sewage <br />46 treatment systems and the construction of roads and parking areas regulated by this <br />47 subdivision are exempt from the vegetation alteration standards that follow. <br />48 b. Removal or alteration of vegetation, except for agricultural and forest management <br />49 uses as regulated in this subdivision is allowed subject to the following standards: <br />Page 138 of 160 <br />